1) The document contains math lesson notes on fractions including instructions on multiplying and dividing fractions by canceling when possible and then multiplying the tops and bottoms. 2) It provides examples of simplifying fraction multiplication and division problems. 3) The examples include problems like simplifying 1/4 x 1/2, finding what number is 1/2 of 3/5, and how many 1/2's are in 3/4.

1. lesson 22.notebook September 24, 2013
Assignment:
1­­>Set 22 (evens) ­ Due Tomorrow (9/25)
2­­>Test signed??

2. lesson 22.notebook September 24, 2013
Lesson 22 Warm­Up:
1) Classify this triangle by sides and by angles
AND state the measure of each angle.
2) Alex read 20 pages per hour. How many pages can he read in 1 1/4
hours?
3) If four boxes weigh 20 pounds, how much would six boxes weigh?
4) What is 25% of 400?
5) Simplify: 4 + (11 + 32) x 23
A
B
C

3. lesson 22.notebook September 24, 2013
Lesson 22:
FYI­­>
*To multiply fractions ­
if possible, "cancel" first ­
then multiply tops ­
then multiply bottoms
SIMPLIFY!!
*To divide fractions ­
flip the 2nd fraction first ­
if possible, "cancel" ­
then multiply tops ­
then multiply bottoms
SIMPLIFY!!

4. lesson 22.notebook September 24, 2013
Examples ­ Lesson 22
Simplify.
A) 1/4 x 1/2
B) 1/2 x 3/4
C) 5/6 x 2/3
D) 3/4 x 1/3

5. lesson 22.notebook September 24, 2013
E) What number is 1/2 of 3/5?
F) What number is 2/3 of 3/4?
Write the multiplicative inverse of the number.
G) 3/8
H) 4

6. lesson 22.notebook September 24, 2013
I) How many 2/3's are in 1?
J) 1 3/5
K) 1 1/6
L) How many 1/2's are in 3/4?

7. lesson 22.notebook September 24, 2013
Simplify.
M) 2/3 3/4
N) 3/4 2/3
O) 3/4 1/3